[MacPorts] #62395: rust: update to 1.50.0

[MacPorts]

#62395: rust: update to 1.50.0
------------------------+--------------------
 Reporter:  mohd-akram  |      Owner:  (none)
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  rust
------------------------+--------------------


-- 
Ticket URL: <https://trac.macports.org/ticket/62395>
MacPorts <https://www.macports.org/>
Ports system for macOS